Tread of an automobile tire



FIG. 1 is a perspective view of a tread of an automobile tire;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a fragmentary enlarged front view showing the details of the tread thereof;

FIG. 6 is a section view taken along line 6-6 in FIG. 5; and,

FIG. 7 is a section view taken along line 7-7 in FIG. 5.

The broken lines showing portions of the sidewall, inner bead, notches and grooves are included to illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a tread of an automobile tire, as shown and described. 